For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
The turtle, depending on the species can hold its breath underwater for a long time. Most species can hold their breath anywhere from 30 minutes to 3 hours. How long the turtle can hold its breath is also in direct proportion to how active it is and if it is able to find pockets of air.